Math miscellaneousHard
Question
The value of
dx is
Options
A.π2/4
B.π2/2
C.3π2/2
D.π2/3
Solution
I =
dx
⇒ I =
⇒ I =
⇒ 2I = π
⇒ I = π
⇒ I = - π
= π [tan-1t]10 = 
⇒ I =
⇒ I =
⇒ 2I = π
⇒ I = π
⇒ I = - π
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